Swallowing

Question 1

What are the three main phases of swallowing?

Answer 1

Oral (w/ preparatory and transport)

Pharyngeal

Esophageal

Question 2

What are the two main functions of our saliva during chewing?

Answer 2

1) mix with bolus to give it form

2) prevent friction

Question 3

While we’re manipulating the bolus with the tongue, why would the velum be low?

Answer 3

Velum low in oropharynx to

1) allow nasal breathing

2) prevent premature spillage (oh no!)

Question 4

What three factors allow upper esophageal sphincter opening?

Answer 4

1) hyolaryngeal elevation

2) cricopharyngeal relaxation

3) bolus is pushing thru opening